Extraction of Auditory Attention Correlates in Single Sweeps of Cortical Potentials by Maximum Entropy Paradigms and its Application

2007 3rd International IEEE/EMBS Conference on Neural Engineering Pub Date : 2007-05-02 DOI:10.1109/CNE.2007.369711

Y. Low, F. I. Corona-Strauss, P. Adam, D. Strauss

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引用次数: 34

Abstract

Recently, we have shown that the wavelet phase synchronization stability of single sweeps of auditory late responses (ALRs) allows for the quantification of the tinnitus decompensation. Our underlying model of adaptive resonance and spotlighting of attention links the synchronization stability directly to neural correlates of attention reflected in ALRs. Correlates of this attentional mechanism are further investigated in this study by using an auditory paradigm based on maximum entropy principle in healthy subjects. In particular, we show that the wavelet phase synchronization of ALR single sweeps allows for a direct online monitoring of phase locked auditory attention. Such an online monitoring cannot be implemented by known procedures as they are based on large-scale averages of ALRs. Apart from the objective quantification of the tinnitus decompensation, this measure can be used in every online and real time neurofeedback therapeutic approach where a direct stimulus locked attention monitoring is mandatory

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用最大熵范式提取皮层电位单次扫描听觉注意相关物及其应用

最近，我们已经证明了听觉延迟反应单次扫描的小波相位同步稳定性可以量化耳鸣失代偿。我们的自适应共振和注意力聚焦的基础模型将同步稳定性直接与alr中反映的注意力的神经相关联系起来。本研究采用基于最大熵原理的听觉范式在健康被试中进一步探讨了这一注意机制的相关因素。特别是，我们表明ALR单次扫描的小波相位同步允许直接在线监测锁相听觉注意。这种在线监测不能通过已知的程序来实施，因为它们是基于大规模的空气污染指数平均值。除了客观量化耳鸣失代偿外，该措施可用于任何在线和实时神经反馈治疗方法，其中直接刺激锁定注意力监测是强制性的

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2007 3rd International IEEE/EMBS Conference on Neural Engineering

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